For PU foam earplugs, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our PU foam earplugs has been well received by many customers and enjoyed a good reputation in many countries. Heilongjiang Safer Co., Ltd. PU foam earplugs have characteristic design & practical performance & competitive price, for more information on the PU foam earplugs, please feel free to contact us.